emmetropia

American

[em-i-troh-pee-uh] / ˌɛm ɪˈtroʊ pi ə /

noun

Ophthalmology.

the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina.

emmetropia British

/ ˌɛmɪˈtrɒpɪk, ˌɛmɪˈtrəʊpɪə /

noun

the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of emmetropia

1860–65; < New Latin, equivalent to emmetr- (stem of Greek émmetros in measure, equivalent to em- em- ² + métr ( on ) measure + -os adj. suffix) + -opia -opia

Vocabulary lists containing emmetropia

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

emmetropia

Visual acuteness on both sides 5/12, the left slightly better than the right; emmetropia in mydriasis by atropine.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

Those cases deserve special consideration in which emmetropia is present in one eye, in the other myopia.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

It may, therefore, be useful for our purpose to cite a few cases of periodic convergent strabismus with emmetropia.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

On May 1, 1879, emmetropia was observed in right eye, V. 5/12 to 5/9.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

In proportion as myopia is gradually developed in originally existing emmetropia, myopes learn to converge to the neighbourhood of their far point without allowing their accommodation to come into action.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by C. Schweigger

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023